Home / 10,235.88-15,342.75-4,959.72

Finding the Fourth Proportional to 10,235.88, 15,342.75 and 4,959.72

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Solution

The fourth proportional to 10,235.88, 15,342.75 and 4,959.72 is: 7,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.88 : 15,342.75 = 4,959.72 : x
  2. Step 2: Convert to fraction form
    10,235.88/15,342.75 = 4,959.72/x
  3. Step 3: Cross multiply
    10,235.88x = 15,342.75 × 4,959.72
  4. Step 4: Simplify right side
    10,235.88x = 76,095,744.03
  5. Step 5: Solve for x
    x = 76,095,744.03/10,235.88
  6. Step 6: Final answer
    x = 7,434.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.